Aaron Has Suffered from Schizophrenia for Many Years and Now

Multiple Choice

Aaron has suffered from schizophrenia for many years and now resides in a group treatment facility. One day a nurse approaches him and quietly tells him that his sister, who has been fighting cancer for many months, died that morning. Aaron has no appreciable facial reaction, and in a very monotone voice says, "Okay." The nurse is not surprised by Aaron's lack of response to the awful news, because she knows that __________ is one symptom often seen in those suffering from schizophrenia.

A) flat affect
B) echolalia
C) clang associations
D) perseveration